Whether you're scaling great heights or slipping out for a coffee, backpacks are a stylish yet practical way to keep your hands free while carrying your kit. This season they appeared on the runway at shows including Gucci, Burberry Prorsum and Junya Watanabe, but this style of bag has been a menswear (and military) staple for decades - and for good reason. Click through the gallery, above, to discover six of our favourite backpacks or continue reading, below, for our pick of the latest gear to fill yours.